Postural Tachycardia Syndrome and Inappropriate Sinus Tachycardia: Role of Autonomic Modulation and Sinus Node Automaticity

@inproceedings{Nwazue2014PosturalTS,
  title={Postural Tachycardia Syndrome and Inappropriate Sinus Tachycardia: Role of Autonomic Modulation and Sinus Node Automaticity},
  author={Victor C. Nwazue and Sachin Y. Paranjape and Bonnie K. Black and Italo Biaggioni and Andr{\'e} Diedrich and William D. Dupont and David J. Robertson and Satish R Raj},
  booktitle={Journal of the American Heart Association},
  year={2014}
}
  • Victor C. Nwazue, Sachin Y. Paranjape, +5 authors Satish R Raj
  • Published in
    Journal of the American Heart…
    2014
  • Medicine
  • BACKGROUND Inappropriate sinus tachycardia (IST) and postural tachycardia syndrome (POTS) are 2 disorders characterized by sinus tachycardia. It is debated whether the pathophysiology of IST and POTS results from abnormal autonomic regulation or abnormal sinus node function. We hypothesized that intrinsic heart rate (IHR) after autonomic blockade would be increased in patients with IST but not POTS. METHODS AND RESULTS We enrolled 48 POTS patients, 8 IST patients, and 17 healthy control (HC… CONTINUE READING

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    Inappropriate sinus tachycardia

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    • Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology
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